Predictors of graft function and survival in second kidney transplantation: A single center experience

Table 6 Categorical predictors of second graft survival by the log-rank test for Kaplan-Meier curves

Variables		Events (n = 13)	Censored (n = 30)1	Log-rank statistic	P value
DM as a cause of ESRD	No	12	30	1.218	0.270
	Yes	1	0
First graft function	No	2	18	9.684	0.008
	Delayed	4	3
	Instant	7	9
Acute rejection in first year after first transplantation	No	5	19	3.757	0.053
	Yes	8	9
First graft loss by acute rejection	No	13	29	0.369	0.543
	Yes	0	1
First graft nephrectomy	No	3	8	0.097	0.756
	Yes	10	22
Living donor	No	12	28	0.002	0.965
	Yes	1	2
PRA grouping	0% to 30%	11	21	0.693	0.707
	31% to 80%	2	7
	Over 80%	0	2
Number of HLA mismatches	0	2	4	0.106	0.948
	1 to 3	8	19
	4 to 6	3	7
Over one artery	No	10	28	1.584	0.208
	Yes	3	2
Vascular complications	No	13	24	1.723	0.189
	Yes	0	6
Delayed second graft function	No	7	26	12.238	0.0005
	Yes	6	4

¹Except for acute rejection in first year after first transplantation, where n = 28 because two cases are missing.

BMI: Body mass index; DM: Diabetes mellitus; ESRD: End-stage renal disease; HLA: Human leukocytic antigens; PRA: Panel reactive antibodies.